JWST Uncovers Ancient Quasars, Challenging Theories on Black Hole and Galaxy Formation

October 21, 2024
JWST Uncovers Ancient Quasars, Challenging Theories on Black Hole and Galaxy Formation
  • This research revealed isolated quasars from the early universe, challenging previous theories about their formation and suggesting they may exist in sparsely populated regions.

  • The research team created a mosaic of images to analyze the environments around these quasars, discovering significant differences in the number of neighboring galaxies.

  • They hypothesize that some early quasars may be obscured by cosmic dust, prompting further observations to identify hidden galaxies.

  • These findings challenge current theories of galaxy and black hole formation, particularly regarding the role of dark matter in guiding the growth of matter in the early universe.

  • The study, published in the journal Nature Astronomy, confirms theoretical predictions about the existence of inside-out galaxies in the early universe.

  • Co-lead author Sandro Tacchella emphasized the importance of understanding galaxy evolution over cosmic time, facilitated by JWST's ability to provide observational data from billions of years ago.

  • With approximately 20 years of operations remaining, JWST is expected to continue making groundbreaking discoveries and answering fundamental questions about the universe.

  • Experts believe it may still be possible to reconcile these new findings with current cosmological theories, despite the challenges they present.

  • The JWST captures light from 13 billion years ago, allowing scientists to study the conditions of the early universe and refine existing models.

  • The James Webb Space Telescope (JWST), a collaboration among NASA, ESA, and the Canadian Space Agency, is designed to explore the early universe and distant celestial bodies.

  • Recently, astronomers using JWST discovered supermassive black hole-powered quasars dating back 13 billion years, raising intriguing questions about their formation.

  • Specifically, five quasars formed between 600 to 700 million years after the Big Bang, with black holes a billion times more massive than the sun, located in areas described as being in 'the middle of nowhere'.

Summary based on 7 sources


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